637980840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{84389}}^1$

素因数の和:84416

約数の個数: 128

約数和(自身を含む): 2430432000

約数和(自身を除く): 1792451160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 84389, 168778, 253167, 337556, 421945, 506334, 590723, 675112, 759501, 843890, 1012668, 1181446, 1265835, 1519002, 1687780, 1772169, 2025336, 2278503, 2362892, 2531670, 2953615, 3038004, 3375560, 3544338, 3797505, 4557006, 4725784, 5063340, 5316507, 5907230, 6076008, 7088676, 7595010, 8860845, 9114012, 10126680, 10633014, 11392515, 11814460, 14177352, 15190020, 15949521, 17721690, 18228024, 21266028, 22785030, 23628920, 26582535, 30380040, 31899042, 35443380, 42532056, 45570060, 53165070, 63798084, 70886760, 79747605, 91140120, 106330140, 127596168, 159495210, 212660280, 318990420, 637980840]

約数ペア:

[(1, 637980840), (2, 318990420), (3, 212660280), (4, 159495210), (5, 127596168), (6, 106330140), (7, 91140120), (8, 79747605), (9, 70886760), (10, 63798084), (12, 53165070), (14, 45570060), (15, 42532056), (18, 35443380), (20, 31899042), (21, 30380040), (24, 26582535), (27, 23628920), (28, 22785030), (30, 21266028), (35, 18228024), (36, 17721690), (40, 15949521), (42, 15190020), (45, 14177352), (54, 11814460), (56, 11392515), (60, 10633014), (63, 10126680), (70, 9114012), (72, 8860845), (84, 7595010), (90, 7088676), (105, 6076008), (108, 5907230), (120, 5316507), (126, 5063340), (135, 4725784), (140, 4557006), (168, 3797505), (180, 3544338), (189, 3375560), (210, 3038004), (216, 2953615), (252, 2531670), (270, 2362892), (280, 2278503), (315, 2025336), (360, 1772169), (378, 1687780), (420, 1519002), (504, 1265835), (540, 1181446), (630, 1012668), (756, 843890), (840, 759501), (945, 675112), (1080, 590723), (1260, 506334), (1512, 421945), (1890, 337556), (2520, 253167), (3780, 168778), (7560, 84389)]